    <table width="100%" cellpadding="0" cellspacing="0" border="0">
      <tr>
        <td height="23"></td>
        <td height="23" align="right">
          <div class="header">            
            <a href="/home">首页</a> | 
            <% if session[:user] %>
            <a href="/user/myzone">我的彩艺</a> | 
            <a href="/user/cart">我的购物车</a> | 
            <a href="/user/logout">退出</a> | 
            <%else%>
            <a href="/user/register">注册</a> | 
            <a href="/user/login">登录</a> | 
            <% end %>
            <a href="/help">帮助</a>
          </div>
        </td>
      </tr>      
    </table>